Added comprehensive documentation for the Mail & Import section:
- Mail Import Setup: Microsoft Graph API configuration, Azure AD app registration,
folder setup, troubleshooting, and security best practices
- Inbox Management: Email review workflow, approval process, re-parsing,
deletion, and common workflows
- Mail Parsing: Parser system explanation, supported backup software,
match criteria, execution order, and troubleshooting
- Auto-Import Configuration: Automatic import scheduling, intervals, batch sizes,
auto-approval logic, manual import, and monitoring
Updated TODO-documentation.md to reflect progress (14 of 33 pages, 42% complete)
Updated changelog-claude.md with detailed content descriptions
Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>